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Heart STL onesie

Regular price $ 18.00

Unit price per 

Meet the Heart STL onesie—the ultimate everyday essential for your little one. Crafted from super-soft cotton, this one-piece is gentle on baby’s skin, ensuring every moment is as cozy as can be.

The lap shoulder design combined with a three-snap closure makes diaper changes quick and easy, so you can spend less time fiddling and more time cuddling with your precious tiny human.

  • Fabric: 100% combed ring-spun cotton in a 1x1 baby rib for the softest feel and a breathable, comfortable fit.
  • Closure: Three-snap system for secure, effortless changes.
  • Design: Lap shoulders to slip over little heads without any snag or irritation.
  • Size range: Available in 6M, 12M, 18M, and 24M to grow with your baby.

Size Guide

  • 6M: Body length 12.5 inches; Body width 8.75 inches
  • 12M: Body length 13.5 inches; Body width 9.75 inches
  • 18M: Body length 14.5 inches; Body width 10.75 inches
  • 24M: Body length 15.5 inches; Body width 11.75 inches

Perfect for everyday wear, the Heart STL onesie blends comfort, practicality, and a touch of charm—a dependable favorite for busy families and tiny explorers alike.


  BODY LENGTH (inches) BODY WIDTH (inches)
6M 12 ½ 8 ¾
12M 13 ½ 9 ¾
18M 14 ½ 10 ¾
24M 15 ½ 11 ¾
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